废气被驱逐出境的引擎的压缩空气清除。
Exhaust gases are expelled from the engine by compressed-air scavenging.
销规高度尺用于封罐机初始设置，以确保卷封接合性能以及空气清除效果。
The Pin Height Gauge is commonly used in the initial setup of the seamer to ensure double seaming performance and air removal.
最近，在伊朗发现了一种在原油中自然生长的真菌，可清除石油中导致酸雨和空气污染的硫氮化合物。
The fungus, recently discovered in Iran, grows naturally in crude oil and removes the sulphur and nitrogen compounds that lead to acid rain and air pollution.
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